#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define N 100005
int a[N],n,ans,b[N],s;
signed main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        b[a[i]]++;
    }
    for(int i=1;i<=N;i++){
        ans=ans>b[i]?ans:b[i];
    }
    printf("%d",ans);
    return 0;
}
